// For postfix case, the last argument is the operation call invoked on a synthetic local variable `<unary>`. This local
                // variable is initialized by calling the `get` function.
                val operationCall = lastArg as? FirFunctionCall ?: return null
                val operationPartiallyAppliedSymbol = operationCall.toPartiallyAppliedSymbol(arrayAccessExpression) ?: return null

 * not necessarily the case for declaration providers (e.g. the IDE declaration provider hitting the index without caching).
 *
 * However, since symbol names providers may not be able to compute name sets per their contract, we may have to fall back to the
 * [declaration provider][org.jetbrains.kotlin.analysis.providers.KotlinDeclarationProvider].

            // library modules might still be valid. This is not a problem, though, because analysis session caching is not required for
            // correctness, but rather a performance optimization.
            analysisSessionProvider.clearCaches()
        }
    }
}